WALDORF, Md. (WUSA) -- A Charles County man has been arrested for allegedly sexually assaulting a 14-year-old girl two times -- once at gunpoint, say Charles County Sheriff's detectives.

Forty-six-year-old Rodney Pontell Sisco of Waldorf is accused of sexually assaulting the girl since they met in early September.

According to police, Sisco reportedly sexually assaulted her on two different occasions.

Tuesday, Sisco was arrested and charged with first-degree rape, second-degree rape, first-degree assault, second-degree assault, use of a firearm in commission of a felony, and sexual solicitation of a minor.